“The men and women who conducted this diplomacy deserve great thanks from the entire world.”

BEIRUT — The agreed parameters of a Joint Comprehensive Plan of Action (JCPOA) on Iran’s nuclear program that were reached Thursday between Iran and the P5+1 powers represent a monumental achievement that affirms the power of reason and diplomacy over the ravages of fear and warfare. The technical details of the complex understanding remain to be completed. For now, though, the lasting significant aspects of this development are about the past and the future: The past being the bold leadership that Iran and the United States have shown in launching and advancing the diplomatic negotiations, and the future being about the potential significant regional changes that will follow the implementation of a full agreement…